CVE-2017-7358

Name: CVE-2017-7358
Creator: NVD / NIST
Published: 2017-04-05T06:59:00.23+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.67%

Last modified Jun 17, 2026

CVE-2017-7358 is a vulnerability of currently unknown severity. In LightDM through 1.22.0, a directory traversal issue in debian/guest-account.sh allows local attackers to own arbitrary directory path locations and escalate privileges to root when the guest user logs out.. EPSS estimates a 2.67% chance of exploitation in the next 30 days.

Description

In LightDM through 1.22.0, a directory traversal issue in debian/guest-account.sh allows local attackers to own arbitrary directory path locations and escalate privileges to root when the guest user logs out.

Metrics

EPSS Probability

2.67%

83.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Lightdm Project	Lightdm	<= 1.22.0
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	16.10

References

http://bazaar.launchpad.net/~lightdm-team/lightdm/trunk/revision/2478Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/97486Third Party Advisory, VDB Entry
https://launchpad.net/bugs/1677924Third Party Advisory, VDB Entry
https://lists.freedesktop.org/archives/lightdm/2017-April/001059.htmlThird Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/41923/
https://www.ubuntu.com/usn/usn-3255-1/Third Party Advisory
http://bazaar.launchpad.net/~lightdm-team/lightdm/trunk/revision/2478Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/97486Third Party Advisory, VDB Entry
https://launchpad.net/bugs/1677924Third Party Advisory, VDB Entry
https://lists.freedesktop.org/archives/lightdm/2017-April/001059.htmlThird Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/41923/
https://www.ubuntu.com/usn/usn-3255-1/Third Party Advisory

Timeline

Published: Apr 5, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-7358?

How severe is CVE-2017-7358?

Severity scoring for CVE-2017-7358 is pending analysis. The EPSS model estimates a 2.67% probability of exploitation in the next 30 days.

How do I fix CVE-2017-7358?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-7358?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST